CHESTER, Ill. (AP) — Drew Peterson, a former suburban Chicago police officer convicted of killing his third wife and suspected in his fourth wife's disappearance, pleaded not guilty Tuesday to trying to hire someone to kill the prosecutor who helped put him in prison.

Ukraine's central bank moved to shore up the country's battered currency Tuesday by hiking interest rates to 30 percent as the government pushed through draconian reforms needed to clinch another IMF bailout. The bank said the eye-popping jump in the benchmark refinancing rate, from a current 19.5 percent, was aimed at "stabilising the macro-economic situation" pending the IMF's decision on a $17.5-billion loan needed to save Ukraine from bankruptcy. Ukraine's currency and economy have tanked over the past year as government forces fight a bloody war with pro-Russian separatists in the east. London-based Capital Economics research company called the interest rate increase a "last-ditch attempt to regain control of the currency".

CHICAGO (AP) — Oprah Winfrey will close Harpo Studios in Chicago, where she filmed "The Oprah Winfrey Show" for more than 20 years, this December, and will transition production for her cable network to a studio in California.